[nodeInfrastructure] fixing webpack version that is the reason why we have to pin down the versions
[nodeInfrastructure] fixing webpack version that is the reason why we have to pin down the versions

gusreiber/jenkins-plugin-site,scherler/jenkins-plugin-site,scherler/jenkins-plugin-site,gusreiber/OSS-plugin-site,gusreiber/jenkins-plugin-site,gusreiber/jenkins-plugin-site,gusreiber/OSS-plugin-site,scherler/jenkins-plugin-site,gusreiber/OSS-plugin-site